For those who have played around with woofers in TLs... As a practical matter how big of an advantage is there in using the 1/3 pipe length offset driver positioning? The application in view is a woofer (not subwoofer) enclosure to be used up to about 500Hz. The closed end driver positioning is much simpler and hornresp simulations of quite of few drivers seem to show more even response in the frequencies below the first resonance.
For a folded end loaded TL of this type with reasonable stuffing is the reduction of the first (or I guess actually second) resonance a huge practical advantage? If we are running up a few octaves higher is it really a big deal in the overall stuffing scheme? Also is it best to have unequal segment lengths in the folding and truly tapered walls rather than stepped?
For a folded end loaded TL of this type with reasonable stuffing is the reduction of the first (or I guess actually second) resonance a huge practical advantage? If we are running up a few octaves higher is it really a big deal in the overall stuffing scheme? Also is it best to have unequal segment lengths in the folding and truly tapered walls rather than stepped?
⅓ is only for a specific taper. Have a look at Martin King’s alignment tables for the right number.nBest to actually model the TL.
This offset essentially kills the first unwanted line harmonic, the hardest to deal with. This usually means one can use less volume fill and end up with more of the fundemental being preserved,
dave
This offset essentially kills the first unwanted line harmonic, the hardest to deal with. This usually means one can use less volume fill and end up with more of the fundemental being preserved,
dave
Thanks for the quick response. So in hornresp just adjust the length of the two segments to minimize the resonance?
BTW, what is the best stuffing that will be stable over time (Not deteriorate or pack down)?
BTW, what is the best stuffing that will be stable over time (Not deteriorate or pack down)?
